Home / 3,040.78-4,197.33-1,782.25

Finding the Fourth Proportional to 3,040.78, 4,197.33 and 1,782.25

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Solution

The fourth proportional to 3,040.78, 4,197.33 and 1,782.25 is: 2,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.78 : 4,197.33 = 1,782.25 : x
  2. Step 2: Convert to fraction form
    3,040.78/4,197.33 = 1,782.25/x
  3. Step 3: Cross multiply
    3,040.78x = 4,197.33 × 1,782.25
  4. Step 4: Simplify right side
    3,040.78x = 7,480,691.39
  5. Step 5: Solve for x
    x = 7,480,691.39/3,040.78
  6. Step 6: Final answer
    x = 2,460.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.